Optoma Photon Beam PK53 DLP UHD 4K vs ViewSonic LX750-4KB

What Photon Beam PK53 DLP UHD 4K does better (1) and where LX750-4KB wins (1) — every spec side by side.

1 advantage≈ US$1,550

ViewSonic · 2026LX750-4KB

8.1Score

1 advantage

Higher score

8.5Picture9.1

Why is Photon Beam PK53 DLP UHD 4K better than LX750-4KB?

Specifications

Only differences	Optoma Photon Beam PK53 DLP UHD 4K≈ US$1,550	ViewSonic LX750-4KB8.1
Picture
Resolution (on screen)	3840 × 2160 (4K UHD)	3840 × 2160 (4K UHD)
Native panel resolution	1920 × 1080 (Full HD)	1920 × 1080 (Full HD)
4K method	4K by pixel shifting	4K by pixel shifting
Display technology	DLP	DLP
Light source	Laser	Laser
Brightness (ANSI / ISO lumens)	4,100 lm	4,000 lm
Contrast ratio (dynamic / claimed)	500,000:1	—
HDR support	No	—
Gaming
Maximum refresh rate	—	240 Hz
Game / low-latency mode	Yes	—
Lens & placement
Throw ratio	1.6:1	—
Throw type	Standard throw (1.0:1 and longer)	—
Distance for a 100″ 16:9 image	3.54 m	—
Largest image size	—	300″
Autofocus	—	No
Smart & streaming
Smart platform	Android (not TV-certified)	—
Built-in smart platform	Yes	—
Internal storage	—	8 GB
Connectivity
HDMI inputs	1	1
HDMI version	—	2
USB port	Yes	No
Ethernet (LAN)	No	No
VGA input	No	No
Audio output	No	No
Battery, power & lifetime
Light source life	3,000 h	20,000 h
Design & noise
Fan noise	—	33 dB
Fan noise (eco mode)	—	27 dB
Weight	—	3.5 kg
Width	—	312 mm
Height	—	104 mm
Depth	—	234 mm
Colours	Black	White